<template>
  <div
    ref="node"
    :style="nodeContainerStyle"
    :class="nodeContainerClass"
    @click="clickNode"
    @mouseup="changeNodeSite"
  >
    <!-- 最左侧的那条竖线 -->
    <div class="ef-node-left" />
    <!-- 节点类型的图标 -->
    <div class="ef-node-left-ico flow-node-drag">
      <i :class="nodeIcoClass" />
    </div>
    <!-- 节点名称 -->
    <div
      class="ef-node-text"
      :show-overflow-tooltip="true"
    >
      {{ node.name }}
    </div>
    <div
      :id="'ball' + node.id"
      class="ball"
    />
    <!-- 节点状态图标 -->
    <div class="ef-node-right-ico">
      <i
        v-show="node.state === 'success'"
        class="el-icon-circle-check el-node-state-success"
      />
      <i
        v-show="node.state === 'error'"
        class="el-icon-circle-close el-node-state-error"
      />
      <i
        v-show="node.state === 'warning'"
        class="el-icon-warning-outline el-node-state-warning"
      />
      <i
        v-show="node.state === 'running'"
        class="el-icon-loading el-node-state-running"
      />
    </div>
  </div>
</template>

<script>
export default {
  props: {
    // eslint-disable-next-line vue/require-default-prop
    node: Object,
    // eslint-disable-next-line vue/require-default-prop
    activeElement: Object
  },
  data() {
    return {}
  },
  computed: {
    nodeContainerClass() {
      return {
        'ef-node-container': true,
        'ef-node-active':
          this.activeElement.type === 'node'
            ? this.activeElement.nodeId === this.node.id
            : false
      }
    },
    // 节点容器样式
    nodeContainerStyle() {
      return {
        top: this.node.top,
        left: this.node.left
      }
    },
    nodeIcoClass() {
      var nodeIcoClass = {}
      nodeIcoClass[this.node.ico] = true
      // 添加该class可以推拽连线出来，viewOnly 可以控制节点是否运行编辑
      nodeIcoClass['flow-node-drag'] = !this.node.viewOnly
      return nodeIcoClass
    }
  },
  methods: {
    // 点击节点
    clickNode() {
      this.$emit('clickNode', this.node.id)
    },
    // 鼠标移动后抬起
    changeNodeSite() {
      // 避免抖动
      if (
        this.node.left === this.$refs.node.style.left &&
        this.node.top === this.$refs.node.style.top
      ) {
        return
      }
      this.$emit('changeNodeSite', {
        nodeId: this.node.id,
        left: this.$refs.node.style.left,
        top: this.$refs.node.style.top
      })
    }
  }
}
</script>
